Alternaria species is the asexual stage. Conidia and mycelium overwinter in the soil and on crop residues and cause primary infection of the leaves.…
Life cycle and appearance of Cottony soft rot Cottony soft root ( Sclerotinia sclerotiorum ) overwinters as sclerotia and mycelium in dead and living…
year after infection. Life cycle and appearance of Bacterial canker of tomato Clavibacter is seed-borne and tuber-borne and primary infection is…
watermelon and squash. Life cycle and appearance of Downy mildew Pathogens causing downy mildew are not fungi but Oomycetes and related to Pythium and…
in plant parts like bulbs and crop residues or as sclerotia (drought- and cold-resistant structures) in the soil. Life cycle and appearance of Grey…
belonging to the Oomycetes and are therefore strictly speaking not fungi. They thrive at soil temperatures between 15 and 23 °C and higher water…
different species. Fusarium is widespread and can infect a range of host crops. Many species are considered weak pathogens and can only infect wounded…
break open, releasing many bacteria. These are dispersed by rain and wind and by humans and tools. Until now, no bacteria have been isolated from…
soil-borne disease and colonises the xylem, causing bacterial wilt and brown rot in a very wide range of potential host plants. Life cycle and…
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